body{
    font-family: PingFangSC-Regular;
    background-color: #ffffff;
}
.top{
    width: 100%;
    height: 0.6rem;
    background: #f1f1f1;
    position: fixed;
    z-index:3147483647;
    left:0;
    top:0;
}

.top_logo{
    width: 1.8rem;
    height: 100%;
    margin-left: 0.10rem;
    z-index: 3147483647;
}
.logo_img{
    font-size: 0;
}
.logo_img_left{
    width: 0.44rem;
    height: 0.44rem;
    margin-top: 0.08rem;
    margin-right: 0.13rem;
}
.logo_img_right{;
    width: 0.72rem;
    height: 0.22rem;
    margin-bottom: 0.11rem;
}

.top_download{
    width:0.60rem;
    height: 0.30rem;
    border-radius: 0.03rem;
    background-color: #4a90e2;
    font-size: 0.12rem;
    color: #ffffff;
    line-height: 0.3rem;
    text-align: center;
    margin-top: 0.15rem;
    margin-right: 0.1rem;
}

.topic_content>ul{
    border-bottom:solid 0.01rem #f1f1f1;
}


.item_poster{
    /*margin: 0 auto;*/
    margin-bottom: 0.25rem;
    height:0rem;
    width: 100%;
    background-color: #d8d8d8;
    position: relative;
    padding-bottom:56.8%;
}
.item_poster .poster_mark{
    position:absolute;
    left:0;
    top:0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}

.item_title{
    position: absolute;
    left:0.12rem;
    top:0.1rem;
    padding-right:0.12rem ;
}
.item_title p{
    height:0.22rem ;
    font-size: 0.18rem;
    color: #FFFFFF;
    line-height: 0.22rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
}

.item_poster .video_center{
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    position: absolute;
    left:50%;
    top:50%;
    font-size: 0;
}
.item_poster .video_center img.played{
    margin-left: -0.05rem;
    width: 0.3rem;
    height: 0.3rem;
}
.item_poster .video_center p{
    font-size: 0.12rem;
    color: #FFFFFF;
    line-height: 0.12rem;
    letter-spacing: 0;
    /*text-shadow: 0 0 4px rgba(0,0,0,0.70);*/
}
.item_poster > img{
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%
}
.item_src{
    position:absolute;
    left:0rem;
    bottom:0.095rem;
    padding-left: 0.125rem;
    box-sizing: border-box;
    width: 100%;
}
.item_src .user_icon{
    width: 0.205rem;
    height:0.205rem;
    border-radius: 50%;
}
.item_src .user_name p{
    font-size: 0.14rem;
    color: #FFFFFF;
    line-height: 0.205rem;
    margin-left: 0.055rem;
}
.item_src .src_name{
    position: absolute;
    right: 0.1rem;
    bottom:0rem;
}
.item_src .src_name a{
    font-size: 0.10rem;
    color: #FFFFFF;
    line-height: 0.205rem;
}
.video_container{
    position:absolute;
    left:0;
    top:0;
    width: 100%;
    height:100%;
}